gpr_zalloc(client_ip_and_lr_token_len_ * sizeof(char)));
char* cur_pos = client_ip_and_lr_token_;
// Store the IP length prefix.
- if (client_ip.empty()) {
+ if (client_ip.size() == 0) {
strncpy(cur_pos, kEmptyAddressLengthString, kLengthPrefixSize);
} else if (client_ip.size() == 8) {
strncpy(cur_pos, kEncodedIpv4AddressLengthString, kLengthPrefixSize);